相关疑难解决方法(0)

.wrapper {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  width: 100%;
  height: 70vh;
  min-height: 325px; 
  max-height:570px; 
}

<div class="wrapper">
  <div class="left">Left</div>
  <div class="right">Right</div>
</div>